2247377480

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1\times {\mathrm{1489}}^1$

素因数の和:1986

約数の個数: 64

約数和(自身を含む): 5125302000

約数和(自身を除く): 2877924520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 389, 485, 776, 778, 970, 1489, 1556, 1940, 1945, 2978, 3112, 3880, 3890, 5956, 7445, 7780, 11912, 14890, 15560, 29780, 37733, 59560, 75466, 144433, 150932, 188665, 288866, 301864, 377330, 577732, 579221, 722165, 754660, 1155464, 1158442, 1444330, 1509320, 2316884, 2888660, 2896105, 4633768, 5777320, 5792210, 11584420, 23168840, 56184437, 112368874, 224737748, 280922185, 449475496, 561844370, 1123688740, 2247377480]

約数ペア:

[(1, 2247377480), (2, 1123688740), (4, 561844370), (5, 449475496), (8, 280922185), (10, 224737748), (20, 112368874), (40, 56184437), (97, 23168840), (194, 11584420), (388, 5792210), (389, 5777320), (485, 4633768), (776, 2896105), (778, 2888660), (970, 2316884), (1489, 1509320), (1556, 1444330), (1940, 1158442), (1945, 1155464), (2978, 754660), (3112, 722165), (3880, 579221), (3890, 577732), (5956, 377330), (7445, 301864), (7780, 288866), (11912, 188665), (14890, 150932), (15560, 144433), (29780, 75466), (37733, 59560)]